使用IOL Master测量准分子原位角膜磨镶术前和术后的眼轴长度：一项初步研究。
Axial eye length measurements pre-and post-laser-assisted in situ keratomileusis using the IOL Master: a pilot study.
作者信息
Chalkiadakis Spyridon E, Amariotakis Georgios A, Parikakis Efstratios A, Peponis Vasileios G
机构信息
Athens Eye Hospital, 2nd Eye Clinic, Athens, Greece.
出版信息
Clin Ophthalmol. 2010 Nov 8;4:1267-9. doi: 10.2147/OPTH.S14332.
PURPOSE
A preliminary study in order to test the accuracy of the IOL Master in detecting axial eye length changes after laser-assisted in situ keratomileusis and to correlate the findings with the theoretical ablation depth.
METHODS
Pre-and postoperative axial eye length measurements were performed in 10 consecutive eyes that underwent laser-assisted in situ keratomileusis with the Alcon Ladar Vision excimer laser to treat myopic refractive errors ranging from -2.50 to -8.00 diopters of spherical equivalent (mean: -5.23 ± 1.30 D).
RESULTS
The preoperative axial eye length measurements ranged from 24.53 mm to 27.78 mm (mean: 25.80 ± 1.01 mm) and from 24.57 mm to 27.57 mm (mean: 25.68 ± 0.93 mm) 1 month after the operation. Preoperative and 1-month postoperative data showed a statistically significant difference (P < 0.05).
CONCLUSIONS
The IOL Master showed a decrease in the axial eye length measurements that was bigger than the theoretical ablation depth and did not correlate well with it. Such data need to be confirmed by a larger cohort of patients.
目的
进行一项初步研究，以测试IOL Master在检测准分子原位角膜磨镶术后眼轴长度变化方面的准确性，并将研究结果与理论消融深度相关联。
方法
对连续10只接受爱尔康LADAR VISION准分子激光准分子原位角膜磨镶术治疗等效球镜度为-2.50至-8.00屈光度（平均：-5.23±1.30 D）近视屈光不正的眼睛进行术前和术后眼轴长度测量。
结果
术前眼轴长度测量范围为24.53 mm至27.78 mm（平均：25.80±1.01 mm），术后1个月为24.57 mm至27.57 mm（平均：25.68±0.93 mm）。术前和术后1个月的数据显示出统计学上的显著差异（P<0.05）。
结论
IOL Master显示眼轴长度测量值的下降幅度大于理论消融深度，且两者相关性不佳。此类数据需要更多患者队列进行证实。
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